Problem Display
PID: 209614 (6b1/K1p3P1/2p4p/3kPN2/P2P1pBp/7N/2P5/4nQn1 w - - 0 1)

Herzog, F

Hannover Congress Book, 1926

6b1/K1p3P1/2p4p/3kPN2/P2P1pBp/7N/2P5/4nQn1

#3

10 + 9


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qxf4+
        • 2...Kd5
          • 3.Se3#
    • 1...Be6
      • 2.c4+
        • 2...Ke4
          • 3.Sf2#
  • Tries
    • 1.Se7+?
      • 1...Ke4
        • 2.Qxf4#
      • 1...Kxd4!
    • 1.Qc4+?
      • 1...Ke4
        • 2.Sf2#
      • 1...Kxc4!
    • 1.Qb5+?
      • 1...Ke6
        • 2.Qxc6+
          • 2...Kf7
            • 3.Bh5#
      • 1...c5
        • 2.Qc6+
          • 2...Kc4
            • 3.Qxc5#
          • 2...Kxc6
            • 3.Se7#
        • 2.Qxc5+
          • 2...Ke4
            • 3.Sf2#
          • 2...Ke6
            • 3.Sxh6#
        • 2.c4+
          • 2...Ke4
            • 3.Sf2#
          • 2...Ke6
            • 3.Qe8#
      • 1...cxb5!
    • 1.c4+?
      • 1...Ke4
        • 2.Sf2#
      • 1...Ke6!
  • Keys
    • 1.Qa6!
      • threat
        • 2.Qxc6+
          • 2...Kxc6
            • 3.Se7#
      • 1...Ke4
        • 2.Qxc6+
          • 2...Bd5
            • 3.Sf2#
      • 1...Ke6
        • 2.Qxc6+
          • 2...Kf7
            • 3.Bh5#
      • 1...Be6
        • 2.c4+
          • 2...Ke4
            • 3.Sf2#
      • 1...c5
        • 2.Qc6+
          • 2...Kc4
            • 3.Qxc5#
          • 2...Kxc6
            • 3.Se7#
        • 2.c4+
          • 2...Ke4
            • 3.Sf2#

FEATURES


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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).